diff --git a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiBankStatementMapper.java b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiBankStatementMapper.java
index 78f6bd3..f3d0601 100644
--- a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiBankStatementMapper.java
+++ b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiBankStatementMapper.java
@@ -1,8 +1,12 @@
 package com.ruoyi.ccdi.project.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.ruoyi.ccdi.project.domain.entity.CcdiBankStatement;
+import com.ruoyi.ccdi.project.domain.dto.CcdiBankStatementQueryDTO;
+import com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementDetailVO;
 import com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementFilterOptionsVO;
+import com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementListVO;
 import org.apache.ibatis.annotations.Param;
 
 import java.util.List;
@@ -26,5 +30,12 @@ public interface CcdiBankStatementMapper extends BaseMapper<CcdiBankStatement> {
     int deleteByProjectIdAndBatchId(@Param("projectId") Long projectId,
                                     @Param("batchId") Integer batchId);
 
+    Page<CcdiBankStatementListVO> selectStatementPage(Page<CcdiBankStatementListVO> page,
+                                                      @Param("query") CcdiBankStatementQueryDTO query);
+
+    List<CcdiBankStatementListVO> selectStatementListForExport(@Param("query") CcdiBankStatementQueryDTO query);
+
+    CcdiBankStatementDetailVO selectStatementDetailById(@Param("bankStatementId") Long bankStatementId);
+
     CcdiBankStatementFilterOptionsVO selectFilterOptions(@Param("projectId") Long projectId);
 }
diff --git a/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiBankStatementMapper.xml b/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiBankStatementMapper.xml
index da66c4a..d19fe03 100644
--- a/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiBankStatementMapper.xml
+++ b/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiBankStatementMapper.xml
@@ -59,6 +59,302 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         from ccdi_bank_statement
     </sql>
 
+    <resultMap id="CcdiBankStatementListVOResultMap" type="com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementListVO">
+        <id property="bankStatementId" column="bankStatementId"/>
+        <result property="trxDate" column="trxDate"/>
+        <result property="leAccountNo" column="leAccountNo"/>
+        <result property="leAccountName" column="leAccountName"/>
+        <result property="customerAccountName" column="customerAccountName"/>
+        <result property="customerAccountNo" column="customerAccountNo"/>
+        <result property="userMemo" column="userMemo"/>
+        <result property="cashType" column="cashType"/>
+        <result property="displayAmount" column="displayAmount"/>
+    </resultMap>
+
+    <resultMap id="CcdiBankStatementDetailVOResultMap" type="com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementDetailVO">
+        <id property="bankStatementId" column="bankStatementId"/>
+        <result property="projectId" column="projectId"/>
+        <result property="trxDate" column="trxDate"/>
+        <result property="currency" column="currency"/>
+        <result property="leAccountNo" column="leAccountNo"/>
+        <result property="leAccountName" column="leAccountName"/>
+        <result property="customerAccountName" column="customerAccountName"/>
+        <result property="customerAccountNo" column="customerAccountNo"/>
+        <result property="customerBank" column="customerBank"/>
+        <result property="customerReference" column="customerReference"/>
+        <result property="userMemo" column="userMemo"/>
+        <result property="bankComments" column="bankComments"/>
+        <result property="bankTrxNumber" column="bankTrxNumber"/>
+        <result property="bank" column="bank"/>
+        <result property="cashType" column="cashType"/>
+        <result property="amountDr" column="amountDr"/>
+        <result property="amountCr" column="amountCr"/>
+        <result property="amountBalance" column="amountBalance"/>
+        <result property="displayAmount" column="displayAmount"/>
+        <result property="trxFlag" column="trxFlag"/>
+        <result property="trxType" column="trxType"/>
+        <result property="exceptionType" column="exceptionType"/>
+        <result property="internalFlag" column="internalFlag"/>
+        <result property="paymentMethod" column="paymentMethod"/>
+        <result property="cretNo" column="cretNo"/>
+        <result property="createDate" column="createDate"/>
+    </resultMap>
+
+    <resultMap id="CcdiBankStatementFilterOptionsVOResultMap"
+               type="com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementFilterOptionsVO">
+        <collection property="ourSubjectOptions"
+                    column="{projectId=project_id}"
+                    select="selectOurSubjectOptions"/>
+        <collection property="ourBankOptions"
+                    column="{projectId=project_id}"
+                    select="selectOurBankOptions"/>
+        <collection property="ourAccountOptions"
+                    column="{projectId=project_id}"
+                    select="selectOurAccountOptions"/>
+    </resultMap>
+
+    <sql id="parsedTrxDateExpr">
+        CASE
+            WHEN bs.TRX_DATE IS NULL OR TRIM(bs.TRX_DATE) = '' THEN NULL
+            WHEN LENGTH(TRIM(bs.TRX_DATE)) = 10 THEN STR_TO_DATE(CONCAT(TRIM(bs.TRX_DATE), ' 00:00:00'), '%Y-%m-%d %H:%i:%s')
+            ELSE STR_TO_DATE(TRIM(bs.TRX_DATE), '%Y-%m-%d %H:%i:%s')
+        END
+    </sql>
+
+    <sql id="displayAmountExpr">
+        CASE
+            WHEN IFNULL(bs.AMOUNT_CR, 0) > 0 THEN IFNULL(bs.AMOUNT_CR, 0)
+            ELSE 0 - IFNULL(bs.AMOUNT_DR, 0)
+        END
+    </sql>
+
+    <sql id="absoluteAmountExpr">
+        CASE
+            WHEN IFNULL(bs.AMOUNT_CR, 0) > 0 THEN IFNULL(bs.AMOUNT_CR, 0)
+            ELSE IFNULL(bs.AMOUNT_DR, 0)
+        END
+    </sql>
+
+    <sql id="statementListColumns">
+        bs.bank_statement_id AS bankStatementId,
+        bs.TRX_DATE AS trxDate,
+        bs.LE_ACCOUNT_NO AS leAccountNo,
+        bs.LE_ACCOUNT_NAME AS leAccountName,
+        bs.CUSTOMER_ACCOUNT_NAME AS customerAccountName,
+        bs.CUSTOMER_ACCOUNT_NO AS customerAccountNo,
+        bs.USER_MEMO AS userMemo,
+        bs.CASH_TYPE AS cashType,
+        <include refid="displayAmountExpr"/> AS displayAmount
+    </sql>
+
+    <sql id="statementFilterWhere">
+        bs.project_id = #{query.projectId}
+        <if test="query.tabType == 'in'">
+            AND IFNULL(bs.AMOUNT_CR, 0) > 0
+        </if>
+        <if test="query.tabType == 'out'">
+            AND IFNULL(bs.AMOUNT_DR, 0) > 0
+        </if>
+        <if test="query.transactionStartTime != null and query.transactionStartTime != ''">
+            AND <include refid="parsedTrxDateExpr"/> <![CDATA[ >= ]]>
+            CASE
+                WHEN LENGTH(TRIM(#{query.transactionStartTime})) = 10
+                    THEN STR_TO_DATE(CONCAT(TRIM(#{query.transactionStartTime}), ' 00:00:00'), '%Y-%m-%d %H:%i:%s')
+                ELSE STR_TO_DATE(TRIM(#{query.transactionStartTime}), '%Y-%m-%d %H:%i:%s')
+            END
+        </if>
+        <if test="query.transactionEndTime != null and query.transactionEndTime != ''">
+            AND <include refid="parsedTrxDateExpr"/> <![CDATA[ <= ]]>
+            CASE
+                WHEN LENGTH(TRIM(#{query.transactionEndTime})) = 10
+                    THEN STR_TO_DATE(CONCAT(TRIM(#{query.transactionEndTime}), ' 23:59:59'), '%Y-%m-%d %H:%i:%s')
+                ELSE STR_TO_DATE(TRIM(#{query.transactionEndTime}), '%Y-%m-%d %H:%i:%s')
+            END
+        </if>
+        <if test="(query.counterpartyName != null and query.counterpartyName != '') or query.counterpartyNameEmpty">
+            AND (
+                <if test="query.counterpartyName != null and query.counterpartyName != ''">
+                    bs.CUSTOMER_ACCOUNT_NAME LIKE CONCAT('%', TRIM(#{query.counterpartyName}), '%')
+                </if>
+                <if test="query.counterpartyName != null and query.counterpartyName != '' and query.counterpartyNameEmpty">
+                    OR
+                </if>
+                <if test="query.counterpartyNameEmpty">
+                    bs.CUSTOMER_ACCOUNT_NAME IS NULL OR TRIM(bs.CUSTOMER_ACCOUNT_NAME) = ''
+                </if>
+            )
+        </if>
+        <if test="(query.userMemo != null and query.userMemo != '') or query.userMemoEmpty">
+            AND (
+                <if test="query.userMemo != null and query.userMemo != ''">
+                    bs.USER_MEMO LIKE CONCAT('%', TRIM(#{query.userMemo}), '%')
+                </if>
+                <if test="query.userMemo != null and query.userMemo != '' and query.userMemoEmpty">
+                    OR
+                </if>
+                <if test="query.userMemoEmpty">
+                    bs.USER_MEMO IS NULL OR TRIM(bs.USER_MEMO) = ''
+                </if>
+            )
+        </if>
+        <if test="query.ourSubjects != null and query.ourSubjects.size() > 0">
+            AND bs.LE_ACCOUNT_NAME IN
+            <foreach collection="query.ourSubjects" item="item" open="(" separator="," close=")">
+                #{item}
+            </foreach>
+        </if>
+        <if test="query.ourBanks != null and query.ourBanks.size() > 0">
+            AND bs.BANK IN
+            <foreach collection="query.ourBanks" item="item" open="(" separator="," close=")">
+                #{item}
+            </foreach>
+        </if>
+        <if test="query.ourAccounts != null and query.ourAccounts.size() > 0">
+            AND bs.LE_ACCOUNT_NO IN
+            <foreach collection="query.ourAccounts" item="item" open="(" separator="," close=")">
+                #{item}
+            </foreach>
+        </if>
+        <if test="query.amountMin != null">
+            AND <include refid="absoluteAmountExpr"/> <![CDATA[ >= ]]> #{query.amountMin}
+        </if>
+        <if test="query.amountMax != null">
+            AND <include refid="absoluteAmountExpr"/> <![CDATA[ <= ]]> #{query.amountMax}
+        </if>
+        <if test="(query.counterpartyAccount != null and query.counterpartyAccount != '') or query.counterpartyAccountEmpty">
+            AND (
+                <if test="query.counterpartyAccount != null and query.counterpartyAccount != ''">
+                    bs.CUSTOMER_ACCOUNT_NO LIKE CONCAT('%', TRIM(#{query.counterpartyAccount}), '%')
+                </if>
+                <if test="query.counterpartyAccount != null and query.counterpartyAccount != '' and query.counterpartyAccountEmpty">
+                    OR
+                </if>
+                <if test="query.counterpartyAccountEmpty">
+                    bs.CUSTOMER_ACCOUNT_NO IS NULL OR TRIM(bs.CUSTOMER_ACCOUNT_NO) = ''
+                </if>
+            )
+        </if>
+        <if test="(query.transactionType != null and query.transactionType != '') or query.transactionTypeEmpty">
+            AND (
+                <if test="query.transactionType != null and query.transactionType != ''">
+                    bs.CASH_TYPE LIKE CONCAT('%', TRIM(#{query.transactionType}), '%')
+                </if>
+                <if test="query.transactionType != null and query.transactionType != '' and query.transactionTypeEmpty">
+                    OR
+                </if>
+                <if test="query.transactionTypeEmpty">
+                    bs.CASH_TYPE IS NULL OR TRIM(bs.CASH_TYPE) = ''
+                </if>
+            )
+        </if>
+    </sql>
+
+    <sql id="statementOrderBy">
+        <choose>
+            <when test="query.orderBy == 'amount' and query.orderDirection == 'asc'">
+                ORDER BY <include refid="absoluteAmountExpr"/> ASC, bs.bank_statement_id ASC
+            </when>
+            <when test="query.orderBy == 'amount' and query.orderDirection == 'desc'">
+                ORDER BY <include refid="absoluteAmountExpr"/> DESC, bs.bank_statement_id DESC
+            </when>
+            <when test="query.orderDirection == 'asc'">
+                ORDER BY <include refid="parsedTrxDateExpr"/> ASC, bs.bank_statement_id ASC
+            </when>
+            <otherwise>
+                ORDER BY <include refid="parsedTrxDateExpr"/> DESC, bs.bank_statement_id DESC
+            </otherwise>
+        </choose>
+    </sql>
+
+    <select id="selectStatementPage" resultMap="CcdiBankStatementListVOResultMap">
+        SELECT
+        <include refid="statementListColumns"/>
+        FROM ccdi_bank_statement bs
+        <where>
+            <include refid="statementFilterWhere"/>
+        </where>
+        <include refid="statementOrderBy"/>
+    </select>
+
+    <select id="selectStatementListForExport" resultMap="CcdiBankStatementListVOResultMap">
+        SELECT
+        <include refid="statementListColumns"/>
+        FROM ccdi_bank_statement bs
+        <where>
+            <include refid="statementFilterWhere"/>
+        </where>
+        <include refid="statementOrderBy"/>
+    </select>
+
+    <select id="selectStatementDetailById" resultMap="CcdiBankStatementDetailVOResultMap">
+        SELECT
+            bs.bank_statement_id AS bankStatementId,
+            bs.project_id AS projectId,
+            bs.TRX_DATE AS trxDate,
+            bs.CURRENCY AS currency,
+            bs.LE_ACCOUNT_NO AS leAccountNo,
+            bs.LE_ACCOUNT_NAME AS leAccountName,
+            bs.CUSTOMER_ACCOUNT_NAME AS customerAccountName,
+            bs.CUSTOMER_ACCOUNT_NO AS customerAccountNo,
+            bs.customer_bank AS customerBank,
+            bs.customer_reference AS customerReference,
+            bs.USER_MEMO AS userMemo,
+            bs.BANK_COMMENTS AS bankComments,
+            bs.BANK_TRX_NUMBER AS bankTrxNumber,
+            bs.BANK AS bank,
+            bs.CASH_TYPE AS cashType,
+            bs.AMOUNT_DR AS amountDr,
+            bs.AMOUNT_CR AS amountCr,
+            bs.AMOUNT_BALANCE AS amountBalance,
+            <include refid="displayAmountExpr"/> AS displayAmount,
+            bs.TRX_FLAG AS trxFlag,
+            bs.TRX_TYPE AS trxType,
+            bs.EXCEPTION_TYPE AS exceptionType,
+            bs.internal_flag AS internalFlag,
+            bs.payment_method AS paymentMethod,
+            bs.cret_no AS cretNo,
+            bs.CREATE_DATE AS createDate
+        FROM ccdi_bank_statement bs
+        WHERE bs.bank_statement_id = #{bankStatementId}
+    </select>
+
+    <select id="selectFilterOptions" resultMap="CcdiBankStatementFilterOptionsVOResultMap">
+        SELECT #{projectId} AS project_id
+    </select>
+
+    <select id="selectOurSubjectOptions" resultType="com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementOptionVO">
+        SELECT DISTINCT
+            TRIM(bs.LE_ACCOUNT_NAME) AS label,
+            TRIM(bs.LE_ACCOUNT_NAME) AS value
+        FROM ccdi_bank_statement bs
+        WHERE bs.project_id = #{projectId}
+          AND bs.LE_ACCOUNT_NAME IS NOT NULL
+          AND TRIM(bs.LE_ACCOUNT_NAME) != ''
+        ORDER BY TRIM(bs.LE_ACCOUNT_NAME)
+    </select>
+
+    <select id="selectOurBankOptions" resultType="com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementOptionVO">
+        SELECT DISTINCT
+            TRIM(bs.BANK) AS label,
+            TRIM(bs.BANK) AS value
+        FROM ccdi_bank_statement bs
+        WHERE bs.project_id = #{projectId}
+          AND bs.BANK IS NOT NULL
+          AND TRIM(bs.BANK) != ''
+        ORDER BY TRIM(bs.BANK)
+    </select>
+
+    <select id="selectOurAccountOptions" resultType="com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementOptionVO">
+        SELECT DISTINCT
+            TRIM(bs.LE_ACCOUNT_NO) AS label,
+            TRIM(bs.LE_ACCOUNT_NO) AS value
+        FROM ccdi_bank_statement bs
+        WHERE bs.project_id = #{projectId}
+          AND bs.LE_ACCOUNT_NO IS NOT NULL
+          AND TRIM(bs.LE_ACCOUNT_NO) != ''
+        ORDER BY TRIM(bs.LE_ACCOUNT_NO)
+    </select>
+
     <insert id="insertBatch" parameterType="java.util.List">
         insert into ccdi_bank_statement (
             project_id, LE_ID, ACCOUNT_ID, group_id,
diff --git a/ccdi-project/src/test/java/com/ruoyi/ccdi/project/service/impl/CcdiBankStatementServiceImplTest.java b/ccdi-project/src/test/java/com/ruoyi/ccdi/project/service/impl/CcdiBankStatementServiceImplTest.java
index 928ce6f..0312252 100644
--- a/ccdi-project/src/test/java/com/ruoyi/ccdi/project/service/impl/CcdiBankStatementServiceImplTest.java
+++ b/ccdi-project/src/test/java/com/ruoyi/ccdi/project/service/impl/CcdiBankStatementServiceImplTest.java
@@ -1,6 +1,9 @@
 package com.ruoyi.ccdi.project.service.impl;
 
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.ruoyi.ccdi.project.domain.dto.CcdiBankStatementQueryDTO;
 import com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementFilterOptionsVO;
+import com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementListVO;
 import com.ruoyi.ccdi.project.domain.vo.CcdiBankStatementOptionVO;
 import com.ruoyi.ccdi.project.mapper.CcdiBankStatementMapper;
 import org.junit.jupiter.api.Test;
@@ -12,6 +15,9 @@ import org.mockito.junit.jupiter.MockitoExtension;
 import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.ArgumentMatchers.same;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 @ExtendWith(MockitoExtension.class)
@@ -33,4 +39,17 @@ class CcdiBankStatementServiceImplTest {
 
         assertEquals(1, result.getOurSubjectOptions().size());
     }
+
+    @Test
+    void pageQuery_shouldNormalizeSortFieldAndDirection() {
+        Page<CcdiBankStatementListVO> page = new Page<>(1, 10);
+        CcdiBankStatementQueryDTO queryDTO = new CcdiBankStatementQueryDTO();
+        queryDTO.setProjectId(100L);
+        queryDTO.setOrderBy("amount");
+        queryDTO.setOrderDirection("desc");
+
+        service.selectStatementPage(page, queryDTO);
+
+        verify(bankStatementMapper).selectStatementPage(eq(page), same(queryDTO));
+    }
 }